@article{oai:jaxa.repo.nii.ac.jp:00033052,
 author = {小林, 正 and 藤井, 正美 and 西村, 純 and 平良, 俊雄 and 会津, 英子 and 古森, 良志子 and KOBAYASHI, Tadashi and FUJII, Masami and NISHIMURA, Jun and TAIRA, Tosio and AIZU, Hideko and KOMORI, Yoshiko},
 journal = {宇宙科学研究所報告. 特集: 大気球研究報告},
 month = {Dec},
 note = {Non-screen type X-ray films have been used in emulsion chamber experiments to detect high energy showers in cosmic rays. If we use Sakura type-N X-ray films, the detection threshold is about 1 TeV as depending on the exposure conditions. In order to improve detection threshold, we have tested new screen type X-ray films such as Fuji G12-RXO and G. S-RXO stacked in the emulsion chamber exposed at balloon altitude. The detection threshold of G. S-RXO is improved to be about 150GeV, and the use of these films will be quite effective to the study of showers above 150GeV., 資料番号: SA0166906000},
 pages = {75--88},
 title = {一次電子シャワー検出用スクリーン・タイプ X 線フイルムの特性},
 volume = {24},
 year = {1989}
}